GKFix MCQ Question

In the reaction C₂H₅OH(l) + 3O₂(g) → 2CO₂(g) + 3H₂O(l), what does ∆rH⁰ = –1367 kJ mol⁻¹ represent?

• A. Energy required to form ethanol
• B. Heat absorbed during evaporation
• C. Enthalpy change for the combustion of 1 mole of ethanol
• D. Energy to break O₂ bonds